Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
Backdraft Dampers - BDP
£ 5.98
Ducting Backdraft Dampers The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maint...
Backdraught Shutters 039-SFSV-63/71
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
Flanged Damper 019-0250-STD
£ 424.76
Flanged Damper 019-0250-STD Prevents reverse flow of air when fan is not operating Fixed directly to fan case flange Hot dip galvanised steel Galvanised steel butterfly type blades Suitable for...
Flanged Damper 019-0500-STD
Flanged Damper 019-0500-STD
£ 583.15
Flanged Damper 019-0500-STD Prevents reverse flow of air when fan is not operating Fixed directly to fan case flange Hot dip galvanised steel Galvanised steel butterfly type blades Suitable for...
Flanged Damper 019-0560-STD
Flanged Damper 019-0560-STD
£ 602.00
Flanged Damper 019-0560-STD Prevents reverse flow of air when fan is not operating Fixed directly to fan case flange Hot dip galvanised steel Galvanised steel butterfly type blades Suitable for...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 456.75
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
RSK355 - Back Draught Shutter
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
VKS 355-500 Automatic shutter
£ 89.25
VKS Dampers Automatic shutter Automatic operation Robust construction Seawater resistant Robust The VKS is fitted with shutter blades that are manufactured from seawater-resistant aluminium...
Displaying 1 to 17 (of 17 products)
1 x Systemair Save Connect 2.0 Internet Module1 x Transformer Speed Control - RTRE- 7.0Amp2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x CBA-60 Inlet Flange for CBT-601 x Speed Controller - REB102 x Electronic extractor fan speed controller - FSC 1.51 x EM30-24 Control Panel Commissioning Service2 x Speed Controller - REB52 x Helios HQW-315/4 - IP551 x BEAS-control module5 x Transformer Speed Control - RTRE- 1.5Amp2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Helios HQW-200/2 - IP552 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Two Speed Switch - REGUL-21 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MTS10- extractor fan 3 step switch1 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Helios HQW-630/4 - IP551 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Remote Timer Control - 13512 x Multiflow SMB550/4-1AC1 x REE-1 Electronic Speed Controller1 x SG-200 Fan Guard for the HQW 2001 x REE-2 Electronic Speed Controller1 x Helios HQW-200/4 - IP551 x REB-CVF 0-10v Controller3 x MTP 10, 10K, Speed control3 x DEF-CBM-RE-7 - Protection Guard4 x QPTW 250C Acoustic Twin Fan with Controller3 x Vent Axia Silent 100T (TIMER)1 x TD Mixvent 800/200 EEXEIIT31 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer (silent) speed controller - RE 1.5 Amp2 x TUNE-R-200-3-M1 - Control Damper1 x Speed Controller - REB11 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x RDS 11 Helios Transformer Controller With Motor Protection3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x DDMP 12-12 3F 1810W M6A4 DG02 x EBM-Papst D3G133-BF05-14 Double inlet1 x Helios HQW-250/4 - IP551 x Vent Axia SC5001 - Speed controller1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Elta 10 Amp Electronic single phase speed controller.1 x VTR 300 STD Filter Kit2 x PIR Sensor - PIR22 x EBM-Papst D4E225-BC01-17 Double inlet1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta Wall Cowl SWC56/632 x RDH FLEX-SQUARE - ADH/RDH 04501 x Compact SCD450/4-1AC1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x GXC6EC - High Performance Extract Fan1 x CBT-100N Centrifugal1 x Elta Wall Cowl SWC35/401 x Silent 100 Window Kit - windowS1 x Contactor Interface Station - CI91 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.75KW2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x GRA-100 External Grill by S&P2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Elta Wall Cowl SWC45/501 x ELM 18 EX Flexible Cuff for ERM 183 x Airvent ceiling fan controller1 x Speed Controller - REB81 x TG-K Duct temperature sensor1 x ERR 20/1 Centrifugal inline fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x Vent Axia ACM 200 inline mixed flow duct fan1 x SAVE VSR 300 heat recovery unit1 x PIR Sensor - PIR41 x Transformer 5 Speed Controller - ATC1-8TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Isolator Switch - ISOSW1 x AIRVENT speed control - AIR4019612 x VEKA INT 2000/15.0-L1 EKO1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Elta - Room Sensor - Temp/Humid/C021 x 7 Day Programmable TIMECLOCK1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x DA9/9-NT1 x Elta Variable Speed Drive IP66 - 1.5KW1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x CBM 9-9 550w 4P VR (Open Motor)1 x Silent 300 CZ Design PLUS Extractor Fan1 x Speed Controller - REB2.5-N1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Speed Controller - REB1-N1 x TUNE-R-200-3-M4 - Control Damper1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x FRQ5-10A Inverter Speed controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...